Correct spelling for the English word "doth off top your head" is [dʌθ ˈɒf tˈɒp jɔː hˈɛd], [dʌθ ˈɒf tˈɒp jɔː hˈɛd], [d_ʌ_θ ˈɒ_f t_ˈɒ_p j_ɔː h_ˈɛ_d] (IPA phonetic alphabet).
"Doth off top your head" is an idiomatic phrase derived from archaic English combined with contemporary slang. It refers to the act of quickly and spontaneously recalling or coming up with something, usually information or ideas, without prior planning or deep thought. The phrase has its origins in the Middle English verb "doth," a third-person singular form of "do" used primarily in older texts.
When someone "doth off top your head," it means they are providing an answer or solution on the spot, relying solely on their immediate knowledge or intuition. It implies a certain level of spontaneity and agility of thought, as one attempts to retrieve information without taking the time to fully process or research it. The phrase often suggests that the response given may not be comprehensive or thoroughly thought out, as it is based on the individual's initial, offhand mental resources.
In contemporary usage, "doth off top your head" has become a colloquial expression, frequently used in informal conversations or casual settings. It indicates the capability to recall or think of something quickly, as if conjuring it from the top of one's head, without any prior preparation or prompting. The phrase is commonly employed when there is a demand for immediate answers or solutions, as in impromptu quizzes, informal debates, or rapid brainstorming sessions.